RIYADH, Saudi Arabia - Oil giant Saudi Aramco is bouncing back after its infrastructure in Saudi Arabia came under attack last weekend.

While news late in the week that the Abqaiq and Khurais plants were damaged more than at first believed, the company says it will bounce back from the crisis, and be "stronger than ever."

The attacks caused a halving of crude oil production to 5.7 million barrels a day

"The fires that were intended to destroy Saudi Aramco had an unintended consequence: they galvanized 70,000 of us around a mission to rebound quickly and confidently, and Saudi Aramco has come out of this incident stronger than ever," Saudi Aramco's CEO Amin Nasser said in a Saudi National Day message to the company's employees. The country will be marking its national day on Monday.

"Every second counts in moments like these, and had we not acted quickly to contain the fires and undertake rapid restoration efforts, the impact on the oil market and the global economy would have been far more devastating," the CEO's message said.

Saudi Aramco brought in project managers, engineers and labourers from around the country to work around-the-clock on the damaged plants.

Urgently need parts are being flown in from the United States and Europe.

"Not a single shipment to our international customers has been missed or canceled as a result of the attacks, and we will continue to fulfil our mission of providing the energy the world needs," the message said.

Nasser confirmed both plants would be back working to full capacity by the end of this month.